Custom element registration

assets/pages/test-page.lua

@@ -0,0 +1,28 @@
+TestPage = {}
+
+local maxHp = 100
+local currentHp = 100
+
+function TestPage.Damage(event)
+
+    currentHp = currentHp - 5
+
+    local document = event.current_element.owner_document
+    local target = document:GetElementById("hp-bar")
+
+    if target then
+        target:SetAttribute("current", currentHp)
+    end
+
+end
+
+function TestPage.Heal(event)
+    currentHp = currentHp + 5
+
+    local document = event.current_element.owner_document
+    local target = document:GetElementById("hp-bar")
+
+    if target then
+        target:SetAttribute("current", currentHp)
+    end
+end